The Landsat Image Mosaic of Antarctica
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Abstract
The Landsat Image Mosaic of Antarctica (LIMA) is the first true-color, high-spatial-resolution image of the seventh continent. It is constructed from nearly 1100 individually selected Landsat-7 ETM+ scenes. Each image was orthorectified and adjusted for geometric, sensor and illumination variations to a standardized, almost seamless surface reflectance product. Mosaicing to avoid clouds produced a high quality, nearly cloud-free benchmark data set of Antarctica for the International Polar Year from images collected primarily during 1999-2003. Multiple color composites and enhancements were generated to illustrate additional characteristics of the multispectral data including: the true appearance of the surface; discrimination between snow and bare ice; reflectance variations within bright snow; recovered reflectance values in regions of sensor saturation; and subtle topographic variations associated with ice flow. LIMA is viewable and individual scenes or user defined portions of the mosaic are downloadable at http://lima.usgs.gov. Educational materials associated with LIMA are available at http://lima.nasa.gov.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The Landsat Image Mosaic of Antarctica |
| Series title | Remote Sensing of Environment |
| DOI | 10.1016/j.rse.2008.07.006 |
| Volume | 112 |
| Issue | 12 |
| Year Published | 2008 |
| Language | English |
| Publisher | Elsevier |
| Contributing office(s) | Earth Resources Observation and Science (EROS) Center |
| First page | 4214 |
| Last page | 4226 |
| Other Geospatial | Antarctica |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |